The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2004
Filed:
Mar. 05, 2003
Applicant:
Inventors:
Tazrien Kamal, San Jose, CA (US);
Mark T. Ramsbey, Sunnyvale, CA (US);
Hidehiko Shiraiwa, San Jose, CA (US);
Fred T K Cheung, San Jose, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/7088 ;
U.S. Cl.
CPC ...
H01L 2/7088 ;
Abstract
The present invention relates to a memory array comprising a substrate and a plurality of bitlines having contacts and a plurality of wordlines intersecting the bitlines. A protective spacer is used to separate the bitline contacts from the wordlines adjacent to the bitline contacts to prevent damage caused during the formation of the bitline contacts. The present invention also relates to a method of forming the memory array.